Panopticon

Panopticon, a prison so arranged that the warder can see every prisoner in charge without being seen by them.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Pannonia * Panslavism
Pancras, St.
Pandects
Pandora
Pandours
Pandulf, Cardinal
Pange Lingua
Pánini
Panipat
Panizzi, Antonio
Pannonia
Panopticon
Panslavism
Pantagruel
Pantheism
Pantheon
Pantograph
Panurge
Panza, Sancho
Paoli, Pasquale de
Papal States
Paphos